What happens to an antibody in a neutralization study when a soluble antigen is added to the test?

In an emergency situation, Rh-­negative RBCs are transfused into Rh-­positive person of thegenotype CDe/CDe. The first antibody MOST likely to develop is:

Even in the absence of prior transfusion or pregnancy, individuals with the Bombay phenotype (Oh) will always have naturally occurring:

The results of a Kleihauer-­‐Betke stain indicate a fetomaternal hemorrhage of 35 mL of whole blood. How many vials of Rh immune globulin would be required?

Anti-­‐E is identified in a panel at the antiglobulin phase.  When check cells are added to the tubes, no agglutination is seen. The most appropriate course of action would be to:

A 10% RBC suspension in saline is used in a compatibility test. Which of the following would most likely occur?

Excess antigen in precipitation gel reactions will:

All of the following are characteristic of noncompetitive enzyme immunoassays EXCEPT:

Upon inspection, a unit of platelets is noted to have visible clots, but otherwise appears normal. The MLT should:

Given the following typing results, what is this donor’s racial ethnicity? Le(a-­b-­); Fy(a-­b-­); Js (a+b+)